Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\r10ca\storage\framework\views\d881bbea2c7b109c35cf484a4b5f2fb2.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10ca\storage\framework\views\d881bbea2c7b109c35cf484a4b5f2fb2.php on line 10